Question 1

The vagina is the site of fertilization.

Accepted Answer

A) True 
 B)False

Question 2

Which of these hormones causes the endometrial glands to fill with glycogen, and endometrial blood vessels to become more numerous

Accepted Answer

A) estrogen 
B) progesterone 
C) FSH 
D) LH

Question 3

A high local concentration of testosterone within the seminiferous tubules is essential for sustaining sperm production.

Accepted Answer

A) True 
 B)False

Question 4

The ____________________ of a spermatozoon contains the sperm's genetic information; the ____________________ is an enzyme-filled vesicle for penetrating an ovum; power-generating mitochondria are concentrated in the sperm's ____________________; the ____________________ is a whip-like structure composed of microtubules.

Accepted Answer

The answer of The ____________________ of a spermatozoon contains the...

Question 5

The ductus deferens passes through the inguinal canal.

Accepted Answer

A) True 
 B)False

Question 6

During ejaculation, the sphincter at the neck of the bladder reflexively opens to allow semen to enter the urethra.

Accepted Answer

A) True 
 B)False

Question 7

Implantation normally occurs within 24 hours after fertilization.

Accepted Answer

A) True 
 B)False

Question 8

Which of these structures in a female reproductive system is similar to that of the penis

Accepted Answer

A) bulbourethral gland 
B) clitoris 
C) labia minora 
D) ovary

Question 9

During spermatogenesis, one spermatogonium containing 46 chromosomes yields __________________

Accepted Answer

A) 16 spermatozoa, each containing 23 chromosomes. 
B) 2 spermatozoa, each containing 23 chromosomes. 
C) 1 spermatozoon containing 46 chromosomes. 
D) 1 spermatozoon containing 23 chromosomes, and a polar body containing the other 23 chromosomes.

Question 10

During the ovarian cycle, the corpus luteum converts into a follicle.

Accepted Answer

A) True 
 B)False

Question 11

Normally, sperm exits from the testis by passing through the epididymis, ductus deferens, ejaculatory duct, and urethra.

Accepted Answer

A) True 
 B)False

Question 12

Match the chromosomal compositions, labelled a. through d., with the stages of developing sperm. (Options may be used more than once or not at all.)
-secondary spermatocyte

Accepted Answer

A) contains a full set of 23 pairs of chromosomes 
B) contains a full set of 23 pairs of doubled chromosomes 
C) contains a half set of doubled chromosomes 
D) contains a set of 23, single, unpaired chromosomes

Question 13

Which of the following does NOT characterize fertilization

Accepted Answer

A) a sperm's fertilin proteins binding to the ovum's integrin molecules 
B) a block to polyspermy 
C) multiple sperms penetrating the ovum 
D) assistance by sperm's tail in penetration of the ovum

Question 14

Which of these events does NOT occur in the female sexual response cycle

Accepted Answer

A) erection of the clitoris 
B) tightening of the outer third of the vagina 
C) "tenting" of the upper two-thirds of the vagina 
D) constriction of vaginal capillaries

Question 15

Match the descriptions, labelled a. through e., with the items listed.
-zona pellucida

Accepted Answer

A) special milk produced during the first five days postpartum 
B) evacuated from the uterus as "afterbirth" 
C) super-rich endometrial tissue at the implantation site 
D) the two-cell layered trophoblastic tissue that forms the fetal portion of the placenta 
E) the intervening membrane between the developing oocyte and surrounding granulosa cells

Question 16

The developing sperm cells arising from a single primary spermatocyte remain joined by cytoplasmic bridges until development is complete so that a Y-bearing sperm can be provided with essential products coded for by the X chromosome.

Accepted Answer

A) True 
 B)False

Question 17

Which of these statements does NOT describe the placenta

Accepted Answer

A) It secretes human chorionic gonadotropin, estrogen, and progesterone. 
B) It serves the functions of the circulatory, respiratory, and digestive systems for the fetus. 
C) It contains a mixture of both maternal and fetal blood. 
D) It is fully operational in five weeks.

Question 18

The Leydig cells secrete testosterone in response to stimulation by luteinizing hormone.

Accepted Answer

A) True 
 B)False

Question 19

Fetal testes secrete testosterone, and fetal ovaries secrete estrogen.

Accepted Answer

A) True 
 B)False

Question 20

Match the items labelled a. through u. with the descriptions labelled 32. through 57. (Options may be used more than once or not at all, but there is only one correct response for each.)
-tissue that secretes testosterone

Accepted Answer

A) erection 
B) acrosome 
C) Leydig cells 
D) seminal vesicles 
E) oviduct
F)uterus
G)inner cell mass
H)seminiferous tubules
I)midpiece of sperm
J)head of sperm
K)vagina
L)prostate gland
M)trophoblast
N)corpus luteum
O)epididymis
P)ovarian follicle
Q)ejaculation
R)tail of sperm
S)Sertoli cells
T)endometrium
U)placenta

Exam 17: The Reproductive System

The vagina is the site of fertilization.

Which of these hormones causes the endometrial glands to fill with glycogen, and endometrial blood vessels to become more numerous

A high local concentration of testosterone within the seminiferous tubules is essential for sustaining sperm production.

The of a spermatozoon contains the sperm's genetic information; the is an enzyme-filled vesicle for penetrating an ovum; power-generating mitochondria are concentrated in the sperm's ; the is a whip-like structure composed of microtubules.

The ductus deferens passes through the inguinal canal.

During ejaculation, the sphincter at the neck of the bladder reflexively opens to allow semen to enter the urethra.

Implantation normally occurs within 24 hours after fertilization.

Which of these structures in a female reproductive system is similar to that of the penis

During spermatogenesis, one spermatogonium containing 46 chromosomes yields __________________

During the ovarian cycle, the corpus luteum converts into a follicle.

Normally, sperm exits from the testis by passing through the epididymis, ductus deferens, ejaculatory duct, and urethra.

Match the chromosomal compositions, labelled a. through d., with the stages of developing sperm. (Options may be used more than once or not at all.) -secondary spermatocyte

Which of the following does NOT characterize fertilization

Which of these events does NOT occur in the female sexual response cycle

Match the descriptions, labelled a. through e., with the items listed. -zona pellucida

The developing sperm cells arising from a single primary spermatocyte remain joined by cytoplasmic bridges until development is complete so that a Y-bearing sperm can be provided with essential products coded for by the X chromosome.

Which of these statements does NOT describe the placenta

The Leydig cells secrete testosterone in response to stimulation by luteinizing hormone.

Fetal testes secrete testosterone, and fetal ovaries secrete estrogen.

Match the items labelled a. through u. with the descriptions labelled 32. through 57. (Options may be used more than once or not at all, but there is only one correct response for each.) -tissue that secretes testosterone